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<title>The DIMSUM Project</title>
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<font size=+4>- <font color=red>D I M S U M</font> -</font><br>
<font size=+2 color=red>D</font>istributed 
<font size=+2 color=red>I</font>nformation 
<font size=+2 color=red>M</font>anagement
<font size=+2 color=red>S</font>ystems at the 
<font size=+2 color=red>U</font>niversity of 
<font size=+2 color=red>M</font>aryland
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<!WA0><img align=left alt="T" src="http://www.cs.umd.edu/projects/dimsum/figs/t_trans.gif">he <b>DIMSUM</b> project is
developing a <b>flexible distributed database architecture</b>  that can
adjust to a wide range of application, system, and network 
properties.  This work entails revisiting and reassessing many of the
fundamental design decisions that have been made in the current generations
of relational and object-oriented systems.  The goal
is to develop technology that will serve as the underpinnings for the next
generation of <b> high-performance</b> object-relational database systems.

Our current efforts include:
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<LI><B>Client-Server Query Processing:</B> data- vs.
query-shipping; interaction of query execution and caching; and 
integrated support for both associative and navigational access.
<LI><B>Semantic Caching:</B> Orgainization and management of
client caches based on query specifications.
<LI><B>Query Scrambling:</B> Adaptive, on-the-fly
restructuring of complex query execution 
plans to cope with unexpected delays in
wide-area distributed information systems.
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<!WA1><a href="http://www.cs.umd.edu/projects/dimsum/overview/"><!WA2><img border=0 alt="" src="http://www.cs.umd.edu/projects/dimsum/figs/ds-1_trans.gif"></a><br>
<font size=+1><!WA3><a href="http://www.cs.umd.edu/projects/dimsum/overview/"><em>Project Overview</em></a></font><br>
<font size=-1>Har Gua</font><br>
<font size=-1>Shrimp Dumplings</font><br>
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<!WA4><a href="http://www.cs.umd.edu/projects/dimsum/members/"><!WA5><img border=0 alt="" src="http://www.cs.umd.edu/projects/dimsum/figs/ds-11_trans.gif"></a><br>
<font size=+1><!WA6><a href="http://www.cs.umd.edu/projects/dimsum/members/"><em>Group Members</em></a></font><br>
<font size=-1>Daan Tart</font><br>
<font size=-1>Custard Tarts</font><br>
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<!WA7><a href="http://www.cs.umd.edu/projects/dimsum/papers/"><!WA8><img border=0 alt="" src="http://www.cs.umd.edu/projects/dimsum/figs/ds-6_trans.gif"></a><br>
<font size=+1><!WA9><a href="http://www.cs.umd.edu/projects/dimsum/papers/"><em>Recent Papers</em></a></font><br>
<font size=-1>Chun Kuen</font><br>
<font size=-1>Fried Spring Rolls</font><br>
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<!WA10><a href="http://www.cs.umd.edu/projects/dimsum/sponsors/"><!WA11><img border=0 alt="" src="http://www.cs.umd.edu/projects/dimsum/figs/ds-2_trans.gif"></a><br>
<font size=+1><!WA12><a href="http://www.cs.umd.edu/projects/dimsum/sponsors/"><em>Sponsors</em></a></font><br>
<font size=-1>Siu Mei</font><br>
<font size=-1>Meat Dumplings</font><br>
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<!WA13><a href="http://www.cs.umd.edu/projects/dimsum/lab/"><!WA14><img border=0 alt="" src="http://www.cs.umd.edu/projects/dimsum/figs/ds-8_trans.gif"></a><br>
<font size=+1><!WA15><a href="http://www.cs.umd.edu/projects/dimsum/lab/"><em>DIMSUM Lab</em></a></font><br>
<font size=-1>Cheung Fun</font><br>
<font size=-1>Steamed Rice Flour Rolls</font><br>
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<!WA16><a href="http://www.cs.umd.edu/projects/dimsum/food/"><!WA17><img border=0 alt="" src="http://www.cs.umd.edu/projects/dimsum/figs/ds-5_trans.gif"></a><br>
<font size=+1><!WA18><a href="http://www.cs.umd.edu/projects/dimsum/food/"><em>The Real Thing</em></a></font><br>
<font size=-1>Cha Siu Bau</font><br>
<font size=-1>Steamed Barbecued Pork Bun</font><br>
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<td align=left><em>Last updated Aug. 6, 1996.</em></td>
<td align=right><em><!WA19><a href=mailto:franklin@cs.umd.edu>franklin@cs.umd.edu</a></em></td>
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